Comprimir una KB GeneXus.

Guscarr proponía utilizar la tarea CheckKnowledgeBase, para desfragmentar los índices y corregir errores internos de la KB.

Viendo la dll de la tarea msbuild, encontré una opción para comprimir la KB en la tarea OpenKnowledgeBase, que no está documentada y creo que puede ser útil para KB que tengan varios años de funcionamiento. 

NOTA: El OpenKnowledgeBase tiene otra opcion EventSuspend que tampoco esta documentada y no se bien para que sirva. Si logro descubrirlo, actualizo este post. 

Para lograrlo hice un archivo "CheckKnowledgeBase.msbuild" cuyo contenido es:

<Project DefaultTargets="UpdateFromServerAndBuildAll" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 <Import Project="$(GXDir)\Genexus.Tasks.targets" />
 <Target Name="OpenKnowledgeBase">
   <OpenKnowledgeBase Directory="$(KBDir)" CompressData="True"  EventsSuspended="True" />
 </Target>
 <Target Name="CheckKnowledgeBase" DependsOnTargets="OpenKnowledgeBase">
   <CheckKnowledgeBase Fix="true" />
 </Target>
</Project>

 hice un archivo de comandos "CompressKB.CMD" que tiene

Los valores marcados con amarillo, hay que cambiarlos para que tengan los correspodientes a sus instalaciones


@echo off

echo ------------------------------------------
echo ---     %~n0%~x0          ----------
echo ---     Parameters        ----------------
set dirFramework="C:\Windows\Microsoft.NET\Framework\v3.5"
set GXDir="C:\Program Files (x86)\Artech\GeneXus\GeneXusXEv2U6"
echo ---     Ask KB Directory  ----------------
set /p KBDir=Enter Knowledge Base Directory :  
echo ---     Check/Compress KB ----------------

call %dirFramework%\MSBuild /nologo CheckKnowledgeBase.msbuild /p:KBDir=%KBDir%;GXDir=%GxDir% /t:CheckKnowledgeBase

echo ---     End               ----------------
echo ------------------------------------------
pause

Al ejecutarlo, los pasos que hará seran:
  • Abrir la KB
  • Comprimir sus datos
  • Si hay indices fragmentados, defragmentarlos
  • Corregir errores internos de la KB 
La salida sera similar a esta:

------------------------------------------
---     CompressKB.cmd          ----------
---     Parameters        ----------------
---     Ask KB Directory  ----------------
Enter Knowledge Base Directory :  C:\Models\Ev2\KBUnificada
---     Check/Compress KB ----------------
Build started 2015-03-14 23:04:26.
Project "C:\Models\Tools\location\CheckKnowledgeBase.msbuild" on node 0 (CheckK
nowledgeBase target(s)).
  ========== Open Knowledge Base Task started ==========
  Compressing Knowledge Base Data (this may take several minutes!)...
  success.
  > Open Knowledge Base Task Success
  ========== Open Knowledge Base Task finished ==========
CheckKnowledgeBase:
  ========== Check Knowledge Base started ==========
C:\Models\Tools\location\CheckKnowledgeBase.msbuild : warning : "Fix" parameter
 specified. Running checks and fixing issues.

  Step 1: Check KnowledgeBase's database integrity
  Index 'PK__ATTRIBUT__365FF6B17F3DEA93' in table 'ATTRIBUTE' is slightly fragm
  ented. Reorganizing this index may improve fragmentation.
  Index 'ATT_SUBTYPE' in table 'ATTRIBUTE' is highly fragmented and should be r
  ebuilt. Rebuilding this index may take some time but reduces fragmentation an
  d improves index performance.
  Index 'PK__CK__E706FD3D5408F3B7' in table 'CK' is highly fragmented and shoul
  d be rebuilt. Rebuilding this index may take some time but reduces fragmentat
  ion and improves index performance.
  Index 'PK__CK_ATRI__FC12A9AA816CD0FC' in table 'CK_ATRI' is highly fragmented
   and should be rebuilt. Rebuilding this index may take some time but reduces
  fragmentation and improves index performance.
  Index 'CKA_ATTRI' in table 'CK_ATRI' is highly fragmented and should be rebui
  lt. Rebuilding this index may take some time but reduces fragmentation and im
  proves index performance.
......
  Composition versioning fixed.
  Step 1 finished. 00:00:03.0693747 elapsed.
  28 issue(s) found, 28 fixed.

  Step 2: Check Entity Version Composition
  Step 2 finished. 00:00:00.2336572 elapsed.
  0 issue(s) found, 0 fixed.

  Step 3: Check Entity Redundant Information
  Step 3 finished. 00:00:00.6322822 elapsed.
  0 issue(s) found, 0 fixed.

  Step 4: Check Subtype Inheritance
  Step 4 finished. 00:00:01.9499611 elapsed.
  0 issue(s) found, 0 fixed.

  Step 5: Check ModelEntityProperty Redundant Information
  Checking properties redundancies issues in version KBUnificada
  Fixing properties redundancies in all objects in version KBUnificada
  Step 5 finished. 00:00:54.9963817 elapsed.
  0 issue(s) found, 0 fixed.

  Step 6: Check LastObjectId and LastVersionId enumerators
  Step 6 finished. 00:00:00.1020560 elapsed.
  0 issue(s) found, 0 fixed.
  > CheckKnowledgeBase Success
  ========== CheckKnowledgeBase finished ==========
Done Building Project "C:\Models\Tools\location\CheckKnowledgeBase.msbuild" (Ch
eckKnowledgeBase target(s)).


Build succeeded.

"C:\Models\Tools\location\CheckKnowledgeBase.msbuild" (CheckKnowledgeBase targe
t) (1) ->
(CheckKnowledgeBase target) ->
  C:\Models\Tools\location\CheckKnowledgeBase.msbuild : warning : "Fix" paramet
er specified. Running checks and fixing issues.

    1 Warning(s)
    0 Error(s)

Time Elapsed 00:01:45.66
---     End               ----------------
------------------------------------------
Press any key to continue . . .

Luego de ejecutarla la KB estará en mejor estado para hacer los build all en menos tiempo y posiblemente con menos problemas. 


UPDATE: Guscarr me hace notar que hay documentación sobre la opcion CompressData en el siguiente SAC.




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